Note on 4th Dimension (4D) codeThe programs for extracting summary data from the Specimen Data are written for the 4th Dimension (4D) environment. using a version of Pascal. 4D is a proprietary IDE environment (with a 38-year history in the industry). https://en.wikipedia.org/wiki/4th_Dimension_(software)The code is heavily commented, to facilitate coding for other programming environments (e.g. R), or a free (30-day) version of 4D can be downloaded from https://us.4d.com.